General

  • Target

    SOA.exe

  • Size

    589KB

  • Sample

    230328-rv9z3sdb9z

  • MD5

    defbf15f5b7262773d20877d0418d330

  • SHA1

    b512c5b918c4a33cd047887a7355146f97e58249

  • SHA256

    7a5f35d37f85efb64b8a34a030821c725a6ae4f868694377be2034805d202af5

  • SHA512

    59567816b8d2d5b1ae729c699e89bfd74c51a68b8ae6e17ff4e24cc1af77df1d18484c6d5b32a1530640e9b0dbba12b5e1576066c069a9b6869c449ee25cc1cd

  • SSDEEP

    12288:P4WtmABdVLhcA9D/4BjlQFZJHBkHbowIVTe4/YnU:TdpkBOLDuNqa4g

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.clipjoint.co.nz
  • Port:
    587
  • Username:
    clipjoint@clipjoint.co.nz
  • Password:
    melandloz64
  • Email To:
    geortiok4@gmail.com

Targets

    • Target

      SOA.exe

    • Size

      589KB

    • MD5

      defbf15f5b7262773d20877d0418d330

    • SHA1

      b512c5b918c4a33cd047887a7355146f97e58249

    • SHA256

      7a5f35d37f85efb64b8a34a030821c725a6ae4f868694377be2034805d202af5

    • SHA512

      59567816b8d2d5b1ae729c699e89bfd74c51a68b8ae6e17ff4e24cc1af77df1d18484c6d5b32a1530640e9b0dbba12b5e1576066c069a9b6869c449ee25cc1cd

    • SSDEEP

      12288:P4WtmABdVLhcA9D/4BjlQFZJHBkHbowIVTe4/YnU:TdpkBOLDuNqa4g

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Drops file in Drivers directory

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks